public class StringOperators {
    public static void main(String[] args) {
        int x = 0, y = 1, z = 2;
        String s = "x, y, z ";
        System.out.println(s + x + y + z);
        System.out.println(x + " " + s);
        s += "sum(x, y, z) = ";
        System.out.println(s + (x + y + z));

        // convert to string, rather than using `Integer.toString()`
        System.out.println("" + x);

    }
}
